    * {
        margin: 0;
        padding: 0;
    }
    
    #header {
        height: 70px;
        width: 100%;
        display: flex;
    }
    
    .header-center {
        margin: 0 auto;
        width: 1520px;
        display: flex;
    }
    
    #header ul a {
        text-decoration: none;
        color: black;
    }
    
    .logo {
        height: 70px;
        width: 120px;
    }
    
    .list {
        width: 360px;
        height: 70px;
    }
    
    .list ul {
        display: flex;
        justify-content: space-between;
        padding-left: 10px;
    }
    
    .list li {
        list-style: none;
        font-size: 20px;
        font-weight: 700;
        line-height: 70px;
    }
    
    .search {
        margin-left: 200px;
        margin-top: 5px;
        display: flex;
        right: 300px;
    }
    
    .search input {
        height: 40px;
        width: 400px;
        box-shadow: none;
        padding-top: 5px;
    }
    
    .search span {
        position: relative;
        right: 40px;
        top: 5px;
        font-size: 30px;
    }
    
    .user {
        height: 70px;
        position: relative;
        left: 120px;
        display: flex;
    }
    
    .shoppingcar {
        height: 70px;
        position: relative;
        left: 200px;
    }
    
    .video1 {
        width: 100%;
        height: 500px;
        z-index: 1000;
        position: relative;
    }
    
    .GPS-mao {
        width: 100%;
        background-color: white;
        display: flex;
        justify-content: space-around;
        opacity: 0;
        height: 250px;
        top: 70px;
        position: absolute;
        z-index: 999;
    }
    
    .GPS-mao img {
        width: 150px;
        height: 150px;
    }
    
    .GPS-mao ul {
        list-style: none;
    }
    
    .GPS-mao ul li {
        margin-top: 5px
    }
    
    .GPS-mao ul a {
        text-decoration: none;
    }
    
    .GPS-mao-imgs {
        padding-top: 10px;
    }
    
    .GPS-mao-imgs ul {
        display: flex;
    }
    
    .GPS-mao-list {
        width: 150px;
    }
    
    .GPS-jacket {
        width: 100%;
        background-color: white;
        display: flex;
        justify-content: space-around;
        opacity: 0;
        height: 250px;
        top: 70px;
        position: absolute;
        z-index: 999;
    }
    
    .GPS-jacket ul {
        list-style: none;
    }
    
    .GPS-jacket ul li {
        margin-top: 15px
    }
    
    .GPS-jacket ul a {
        text-decoration: none;
        color: black;
    }
    
    .GPS-jacket-imgs {
        padding-top: 10px;
    }
    
    .GPS-jacket-imgs img {
        width: 150px;
        height: 150px;
    }
    
    .GPS-jacket-list {
        width: 150px;
    }
    
    .GPS-pants {
        width: 100%;
        background-color: white;
        display: flex;
        justify-content: space-around;
        opacity: 0;
        height: 250px;
        top: 70px;
        position: absolute;
        z-index: 999;
    }
    
    .GPS-pants-list {
        width: 150px;
    }
    
    .GPS-pants ul {
        list-style: none;
    }
    
    .GPS-pants ul li {
        margin-top: 15px
    }
    
    .GPS-pants ul a {
        text-decoration: none;
        color: black;
    }
    
    .GPS-pants-imgs {
        padding-top: 10px;
        display: flex;
    }
    
    .GPS-pants-imgs img {
        width: 150px;
        height: 150px;
    }
    
    .GPS-bag {
        width: 100%;
        background-color: white;
        display: flex;
        justify-content: space-around;
        opacity: 0;
        height: 250px;
        top: 70px;
        position: absolute;
        z-index: 999;
    }
    
    .GPS-bag-list {
        width: 150px;
    }
    
    .GPS-bag ul {
        list-style: none;
    }
    
    .GPS-bag ul li {
        margin-top: 15px
    }
    
    .GPS-bag ul a {
        text-decoration: none;
        color: black;
    }
    
    .GPS-bag-imgs {
        padding-top: 10px;
    }
    
    .GPS-bag-imgs img {
        width: 150px;
        height: 150px;
    }
    
    .gowhere {
        margin: 20px auto;
        width: 100%;
        height: 200px;
    }
    
    .xian {
        height: 80px;
        width: 100%;
        background-color: #555;
    }
    
    #gowhere-neirong {
        margin: auto;
        width: 1000px;
        height: 200px;
        display: flex;
        justify-content: space-between;
        position: relative;
    }
    
    #gowhere-neirong div {
        text-align: center;
        line-height: 200px;
        color: black;
    }
    
    .bgc1 {
        background-image: url(../img/logo/kk1.jpg);
        background-size: 200px 200px;
        width: 200px;
        height: 200px;
    }
    
    .shop {
        width: 100px;
        height: 100px;
        font-size: 60px;
        position: absolute;
        top: 25px;
        left: 25px;
    }
    
    .bgc2 {
        background-image: url(../img/logo/kk3.jpg);
        background-size: 200px 200px;
        width: 200px;
        height: 200px;
    }
    
    .gwc {
        width: 100px;
        height: 100px;
        font-size: 60px;
        position: absolute;
        top: 25px;
        left: 440px;
    }
    
    .bgc3 {
        background-image: url(../img/logo/kk2.jpg);
        background-size: 200px 200px;
        width: 200px;
        height: 200px;
    }
    
    .learn {
        width: 100px;
        height: 100px;
        font-size: 55px;
        position: absolute;
        top: 25px;
        left: 840px;
    }
    
    .mendian {
        width: 100%;
        min-height: 1100px;
    }
    
    .mendian-center {
        width: 1000px;
        height: 900px;
        margin: auto;
        margin-top: 40px;
        flex-direction: column;
        justify-content: space-between
    }
    
    .mendian-center img {
        width: 450px;
        height: 300px;
    }
    
    .mendian-center a {
        text-align: center;
        text-decoration: none;
        color: black;
    }
    
    .mendian-center-top {
        display: flex;
        justify-content: space-between;
    }
    
    .mendian-text {
        text-align: center;
    }
    
    .move-picture {
        height: 400px;
        width: 100%;
        margin-left: 50%;
        left: -760px;
        position: relative;
    }
    
    .move-banxin {
        margin: 0 auto;
        height: 400px;
        width: 1000px;
    }
    
    .move-picture-center {
        height: 400px;
        width: 1000px;
        margin-left: 50%;
        left: -759px;
        position: absolute;
    }
    
    .move-picture img {
        width: 1518px;
        height: 400px;
        position: absolute;
    }
    
    #move-picture-left {
        width: 40px;
        height: 50px;
        background-color: brown;
        line-height: 50px;
        text-align: center;
        position: relative;
        top: 50%;
        font-size: 30px;
        z-index: 999;
    }
    
    #move-picture-right {
        width: 40px;
        height: 50px;
        background-color: brown;
        line-height: 50px;
        text-align: center;
        position: relative;
        top: 40%;
        font-size: 30px;
        right: -1478px;
        z-index: 999;
    }
    
    .move-picture1 img:nth-child(1) {
        z-index: 2;
        opacity: 1;
    }
    
    .move-picture1 img:nth-child(2) {
        z-index: 1;
        opacity: 0;
    }
    
    .move-picture1 img:nth-child(3) {
        z-index: 1;
        opacity: 0;
    }
    
    .move-picture1 img:nth-child(4) {
        z-index: 1;
        opacity: 0;
    }
    
    .foot {
        background-color: #232323;
        height: 400px;
        width: 100%;
    }
    
    .foot-head {
        width: 100%;
        height: 100px;
        display: flex;
        justify-content: space-evenly
    }
    
    .place {
        color: white;
        width: 200px;
        height: 100px;
        line-height: 100px;
        font-size: 20px;
    }
    
    .follow {
        color: white;
        width: 200px;
        height: 100px;
        line-height: 100px;
        font-size: 20px;
    }
    
    .survice {
        display: flex;
        justify-content: center;
        color: white;
    }
    
    .survice-one {
        height: 300px;
        width: 200px;
        color: white;
    }
    
    .survice-one ul {
        list-style: none;
        margin-top: 30px;
        line-height: 40px;
    }
    
    .survice-one ul a {
        color: white;
        text-decoration: none
    }
    
    #myBtn {
        display: none;
        position: fixed;
        bottom: 20px;
        right: 30px;
        z-index: 99;
        outline: none;
        background-color: #E5E5E5;
        color: black;
        padding: 15px;
        width: 30px;
        height: 50px;
        line-height: 25px;
        text-align: center;
        font-size: 30px;
    }
    
    #myBtn:hover {
        border: #555 1px solid;
    }